NFC: Add dev_up and dev_down control operations

Add 2 new nfc control operations:
dev_up to turn on the nfc device
dev_down to turn off the nfc device

Signed-off-by: Ilan Elias <ilane@ti.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/include/net/nfc.h b/include/net/nfc.h
index 87b51fe..6a7f602 100644
--- a/include/net/nfc.h
+++ b/include/net/nfc.h
@@ -48,6 +48,8 @@
 								int err);
 
 struct nfc_ops {
+	int (*dev_up)(struct nfc_dev *dev);
+	int (*dev_down)(struct nfc_dev *dev);
 	int (*start_poll)(struct nfc_dev *dev, u32 protocols);
 	void (*stop_poll)(struct nfc_dev *dev);
 	int (*activate_target)(struct nfc_dev *dev, u32 target_idx,
@@ -78,7 +80,9 @@
 	int targets_generation;
 	spinlock_t targets_lock;
 	struct device dev;
+	bool dev_up;
 	bool polling;
+	bool remote_activated;
 	struct nfc_genl_data genl_data;
 	u32 supported_protocols;